Guyker CKB002 Aluminum Dual Concentric Control Knob 6.4/8.3mm for Electric Bass

Key Features:

• Dual concentric stacked design for electric bass control layouts using concentric potentiometers.
• Made from aluminum with a clean metal construction and knurled grip on both upper and lower sections.
• Fits a 6.4mm upper shaft and 8.3mm lower shaft according to the size picture.
• Compact two-tier profile with 16mm upper diameter, 19mm lower diameter, and 19.5mm total height.
• Each tier has a visible indicator line for clear position reference.
• Available in Chrome, Black, Yellow, Blue, and Red finishes.

Specifications:

• Material: Aluminum
• Color Options: Chrome, Black, Yellow, Blue, Red，Green
• Upper Shaft Size: 6.4mm
• Lower Shaft Size: 8.3mm
• Upper Knob Diameter: 16mm
• Lower Knob Diameter: 19mm
• Total Height: 19.5mm
• Suitable For: Electric bass with matching dual concentric stacked potentiometer shafts

Package Includes:

• 1 x dual concentric control knob

Fitment Note / Warm Reminder:

Please confirm your bass uses a dual concentric stacked pot before ordering. This knob is sized for 6.4mm upper / 8.3mm lower shafts, and the size picture also shows a compact 16mm / 19mm tiered diameter with 19.5mm overall height. Please verify your shaft sizes, knob clearance, and mounting structure against your original part for proper fit.